MULTISITE ADSORPTION AND ORDER-DISORDER TRANSITIONS IN ONE- AND TWO-DIMENSIONAL PHASES CONDENSED ON FOREIGN SUBSTRATE B. MUTAFTSCHIEV et A. BONISSENTJ. Phys. Colloques, 38 C4 (1977) C4-82-C4-92DOI: https://doi.org/10.1051/jphyscol:1977413